Help, wont stop running!!! - Ford Powerstroke Diesel Forum
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post #1 of 5 Old 07-19-2012, 03:44 PM Thread Starter
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Help, wont stop running!!!

Help!
I drove my truck today, and when I went to stop at the bank it would not turn off with key. unplugged FSS, pulled fuse to FSS, nothing worked, truck continued to run. I even lowered idle as low as it would go, and put a piece of thick cardboard over air intake! Betty just said you aint killin me this way. Since I was out of options, I crawled under truck, and put a pair of vise grips on rubber fuel line coming out of tank switch valve. I waiting thinking it would die from lack of fuel, that did not happen. I tapped on top of IP with screw driver handle, thinking maybe FSS would jar loose. no luck, I finally took my gerber multi tool , and sqeezed shut the return line going into the top of IP, where FSS is located and betty died instantly! It appears she was running on fuel from return lines that connect to injector caps. Please help me with your thoughts on this problem. Having a truck that will not shut off, when you turn off the key is a pretty scary feeling, and I aint never been scared of nuttin!
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post #2 of 5 Old 07-19-2012, 04:04 PM
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Check the turbo seals, if it's leaking oil and gets any worse you'll have a run away on your hands.

John

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post #3 of 5 Old 07-19-2012, 04:40 PM Thread Starter
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Quote:
Originally Posted by Fantom View Post
Check the turbo seals, if it's leaking oil and gets any worse you'll have a run away on your hands.
Thanks Fantom, for your speedy response. What seals are you talking about on the turbo? I am thinking it may be the FSS is stuck open, since it shut off imediatly when I pinched the line shut on the top of IP.
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post #4 of 5 Old 07-19-2012, 06:25 PM
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Could be leaking internally. Check the housing for oil buildup.

John

2004 Harley Davidson F250 #1191 - 6.0 Powerstroke
Studded - Lots Of Bulletproof Diesel Parts
Swamps 58v FICM - KC Stage 2 Turbo
Ported Intake - S&B CAI

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post #5 of 5 Old 07-20-2012, 07:09 PM Thread Starter
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Got her fixed today, FSS was stuck partly opened.
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